<!DOCTYPE html>
<html>
<body>
<template id="target-template">
<svg width="50" height="50">
<ellipse class="target" cx="40" cy="30" rx="20" ry="30" />
</svg>
</template>
<script src="resources/interpolation-test.js"></script>
<script>
'use strict';
assertAttributeInterpolation({
  property: 'cx',
  from: 'calc(50% - 25px)',
  to: 'calc(100% - 10px)'
}, [
  {at: -0.25, is: '-10px'},
  {at: 0, is: '0px'},
  {at: 0.25, is: '10px'},
  {at: 0.5, is: '20px'},
  {at: 0.75, is: '30px'},
  {at: 1, is: '40px'},
  {at: 1.25, is: '50px'}
]);
assertAttributeInterpolation({
  property: 'cy',
  from: '0%',
  to: '100px'
}, [
  {at: -0.25, is: 'calc(0% + -25px)'},
  {at: 0, is: '0%'},
  {at: 0.25, is: 'calc(0% + 25px)'},
  {at: 0.5, is: 'calc(0% + 50px)'},
  {at: 0.75, is: 'calc(0% + 75px)'},
  {at: 1, is: '100px'},
  {at: 1.25, is: 'calc(0% + 125px)'}
]);
assertAttributeInterpolation({
  property: 'cy',
  from: '0%',
  to: '100'
}, [
  {at: -0.25, is: 'calc(0% + -25px)'},
  {at: 0, is: '0%'},
  {at: 0.25, is: 'calc(0% + 25px)'},
  {at: 0.5, is: 'calc(0% + 50px)'},
  {at: 0.75, is: 'calc(0% + 75px)'},
  {at: 1, is: '100px'},
  {at: 1.25, is: 'calc(0% + 125px)'}
]);
assertAttributeInterpolation({
  property: 'cy',
  from: '10%',
  to: 'calc(10% + 100px)'
}, [
  {at: -0.25, is: 'calc(10% + -25px)'},
  {at: 0, is: '10%'},
  {at: 0.25, is: 'calc(10% + 25px)'},
  {at: 0.5, is: 'calc(10% + 50px)'},
  {at: 0.75, is: 'calc(10% + 75px)'},
  {at: 1, is: 'calc(10% + 100px)'},
  {at: 1.25, is: 'calc(10% + 125px)'}
]);
assertAttributeInterpolation({
  property: 'cy',
  from: 'calc(50% - 25px)',
  to: 'calc(100% - 10px)'
}, [
  {at: -0.25, is: 'calc(((50% - 25px) * 1.25) + ((100% - 10px) * -0.25))'},
  {at: 0, is: 'calc(50% - 25px)'},
  {at: 0.25, is: 'calc(((50% - 25px) * 0.75) + ((100% - 10px) * 0.25))'},
  {at: 0.5, is: 'calc(((50% - 25px) * 0.5) + ((100% - 10px) * 0.5))'},
  {at: 0.75, is: 'calc(((50% - 25px) * 0.25) + ((100% - 10px) * 0.75))'},
  {at: 1, is: 'calc(100% - 10px)'},
  {at: 1.25, is: 'calc(((50% - 25px) * -0.25) + ((100% - 10px) * 1.25))'}
]);
assertAttributeInterpolation({
  property: 'cy',
  from: 'calc(10mm + 0in)',
  to: 'calc(10mm + 100in)'
}, [
  {at: -0.25, is: 'calc(10mm + -25in)'},
  {at: 0, is: '10mm'},
  {at: 0.25, is: 'calc(10mm + 25in)'},
  {at: 0.5, is: 'calc(10mm + 50in)'},
  {at: 0.75, is: 'calc(10mm + 75in)'},
  {at: 1, is: 'calc(10mm + 100in)'},
  {at: 1.25, is: 'calc(10mm + 125in)'}
]);
</script>
</body>
